Merge pull request #10 from diutsu/develop

Bug fix: addFile schema requires file field to be filled
[Meta-Workflow] Minor Change: Removed all ojbConcreteClass fields from
code and dml (columns should also be dropped from the DB)
[maven-release-plugin] prepare release v1.1.1
Merge branch 'release/1.1.1' into develop
[maven-release-plugin] prepare for next development iteration
[Workflow] Minor change: adds header.jsp to logs, comments, and activity
inputs.
closes #9